<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>未授权</title>
</head>
<body>
<h1>未授权不能访问这个页面</h1>
<h4><a th:href="@{/index}">返回首页</a></h4>
</body>
</html>